英语词汇“gratuitous service”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	gratuitous service
释义	gratuitous service 基本例句免费服务 You can get service free of charge.你可得到免费服务。 I called the toll-free service number but no one answered.我打了免费服务电话，但是没有人接。
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